December weather forecastBarona, CA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Barona, California, with an average temperature varying between 45.7°F (7.6°C) and 63.3°F (17.4°C).Temperature
In Barona, the month of December is known for its lowest average temperatures, reaching a high of 63.3°F (17.4°C) and a low of 45.7°F (7.6°C).Humidity
The average relative humidity in December is 58%.Rainfall
In December, the rain falls for 6 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 60.3 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:32 am and sunset at 4:40 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:51 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.7h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during December translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barona, CA
- Average high temperature in December: 63.3°F
The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (63.3°F).
- Average low temperature in December: 45.7°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in December
Barona, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Barona, CA
- Average wind speed in December: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in December
Barona, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
Barona, CA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Barona, CA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (1.8 days).
Average daylight in December /
Average sunshine in December
Barona, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Barona, CA
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is July (19.9 days).
Average UV index in December
Barona, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Barona, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Barona, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
